Not able to share across home network (Windows 10)

[gideonse]

I have three Windows 10 computers on my home network; two are connected by wifi and the third is connected to the router by an ethernet cable. All three of the computers can see each other on the network, but they all refuse connect to each for share folders or printers. Two of the computers demand network authentication with login names and passwords, but I have never set up network credentials and the Windows/Microsoft username and password I use to login to each computer does not work. The third computer does not ask for the authentication; it just gives the notification that I do not have access to the computer and need to ask my network administrator for permission.


I have done the following on all of the computers:

1. Turned on network discovery and folder and printer sharing on the private, guest, and public networks.
2. Turned off password protected sharing.
3. Uninstalled and reinstalled the network adapters
4. Done network resets
5. Gone to optionalfeatures.exe and ticked on the SMB 1.0/CIFS Client (and off Automatic Removal and Server)
6. Run the network troubleshooters over and over again.

All of the machines are using Windows Defender for antivirus and firewalls, and all of them are updated to the latest Windows version.


I don't know if it's worth noting, but both AnyDesk and OneDrive work just fine all of the machines.


So, I am mystified. Any suggestions?


Thanks!

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